Outdoor Unit

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Special Guide1. Cautions for Refrigerant Leaks1.1 Introduction1.2 Checking procedure oflimiting concentration2. Installation guide at the seaside2.1 Selecting the location(Outdoor Unit)Special Guide 38
1. Caution For Refrigerant LeakThe installer and system specialist shall secure safety against leakage according to local regulations or standards.The following standards may be applicable if local regulations are not available.1.1 IntroductionThough the R410A refrigerant is harmless and incombustible itself , the room to equip the air conditioner should be large enough tosuch an extent that the refrigerant gas will not exceed the limiting concentration even if the refrigerant gas leaks in the room.1.1.1 Limiting concentrationLimiting concentration is the limit of Freon gas concentration where immediate measures can be taken withouthurting human body when refrigerant leaks in the air. The limiting concentration shall be described in theunit of kg/m 3 (Freon gas weight per unit air volume) for facilitating calculation.Limiting concentration: 0.44kg/m 3 (R410A)Outdoor unit(No.1 system)Flow ofrefrigerantIndoor unitRoom where refrigerant leaks(Refrigerant of the whole No.1system flows out.)1.2 Checking procedure of limiting concentrationCheck limiting concentration along following steps and take appropriate measure depending on the situation.1.2.1 Calculate amount of all the replenished refrigerant (kg) per each refrigerantsystem.Amount of replenishedrefrigerant per one outdoorunit system+Amount of additionalreplenished refrigerant=Total amount of replenishedrefrigerant in refrigerantfacility (kg)Amount of replenishedrefrigerant at factory shipmentAmount of additionallyreplenished refrigerantdepending on pipinglength or pipingdiameter at customer1.2.2 Calculate minimum room capacityNote : In case one refrigerant facility isdivided into 2 or more refrigerantsystems and each system isindependent, amount of replenishedrefrigerant of each system shall beadopted.Calculate room capacity by regarding a portion as one room or the smaller room.(1) Without partition (2) With partition and with opening which serve aspassage of air to adjoining roomOutdoor unitOutdoor unitIndoor unitIndoor unitOpeningPartitionIn the case of openingwithout door , or 0.15% or more openings(to floor space) bothabove and below door)1Special Guide
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0CVS0-02B(Replaces:0CVS0-02A)R410A
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General Information1. Model Names2.
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2. External Appearance■ Cooling o
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4. Outdoor Units InformationCAUTION
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1. Specification1.1 Cooling OnlyCoo
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2. Dimensions & Gravity point702007
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3. Piping Diagrams3.1 ARUV80LL2(R2)
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3.2.2 Heating OperationIndoor HEXEE
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4. Wiring Diagrams4.1 ARUV80LL2(R2)
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5.2 60Hz◆ Example Connection of T
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ModeUnitPower Supply COMP OFMHz Vol
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Cooling CapacityCombination(%)(Capa
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Cooling CapacityCombination(%)(Capa
Page 27 and 28: Cooling CapacityCombination(%)(Capa
Page 29 and 30: Cooling CapacityCombination(%)(Capa
Page 31 and 32: Heating CapacityCombination(%)80(62
Page 33 and 34: Heating CapacityCombination(%)80(62
Page 35 and 36: Notes1. These figures shows the rat
Page 37 and 38: 8. Operation Limits45°CCooling20°
Page 39 and 40: 10. AccessoriesOptional Accessories
Page 41 and 42: 1. Environment-friendly Alternative
Page 43 and 44: Recommended Effective Opening Ratio
Page 45 and 46: 3.3 Foundation for Installation•
Page 47 and 48: 5. Refrigerant piping InstallationW
Page 49 and 50: 6.2 Refrigerant Pipe Connection6.2.
Page 51 and 52: 6.2.3 Combination of Y branch/heade
Page 53 and 54: 6.2.1 Y Branch and Header FittingAY
Page 55 and 56: 6.2.2 Thermal Insulation of Refrige
Page 57 and 58: 6.3.2 HeaderModels Gas pipe Liquid
Page 59 and 60: 7.1.2 Control box and connecting po
Page 61 and 62: 7.2 DIP Switch Setting7.2.1 Locatio
Page 63 and 64: ■ Setting the DIP switch(SW01B/SW
Page 65 and 66: 7.3 Automatic Addressing• The add
Page 67 and 68: 7.4 Group Number settingGroup Numbe
Page 69 and 70: 8. Test Run8.1 Checks before Test R
Page 71 and 72: ■ ARUN seriesIn cooling mode, thi
Page 73 and 74: 8.5 External static pressure compen
Page 75 and 76: Display Title Cause of Error2 8 12
Page 77: 37Installation
Page 81 and 82: 2. Installation guide at the seasid
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Outdoor Unit

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